01188nam2-2200373---450-99000210380020331620090317094303.0000210380USA01000210380(ALEPH)000210380USA0100021038020041022d1964----km-y0itay0103----baengUS||||||||001yy<<3.1.>> : Variation of solutionspartial differential equations of the second orderby Edouard Goursattranslated by Howard G. BergmannNew YorkDover Publications1964X, 330 p.21 cm200120010010002103662001<<A>> course in mathematical analysisEquazioni differenziali alle derivate parziali515GOURSAT,Edouard335028BERGMANN,Howard G.ITsalbcISBD990002103800203316515 GOU 2/3 ( IS I 5)11984 E.C.IS I00201474BKECOSIAV41020041022USA011229RSIAV59020090317USA010943Variation of solutions1037153UNISA